package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.anno.AutoFill;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.enumeration.OperationType;
import com.sky.result.PageResult;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Options;
import org.apache.ibatis.annotations.Select;

import java.util.List;


public interface DishMapper {

    /**
     * 根据分类id查询菜品数量
     * @param categoryId
     * @return
     */
    @Select("select count(id) from dish where category_id = #{categoryId}")
    Integer countByCategoryId(Long categoryId);

    /*新增菜品*/
    @AutoFill(OperationType.INSERT)//公共字段自动填充
    @Options(useGeneratedKeys = true,keyProperty = "id")//获取主键值并赋给id
    @Insert("insert into dish values (null,#{name},#{categoryId},#{price},#{image}," +
            "#{description},#{status},#{createTime},#{updateTime},#{createUser},#{updateUser})")
    void insert(Dish dish);

    Page<DishVO> list(DishPageQueryDTO dto);

    /*根据id查询菜品*/
    Dish selectById(Long id);

    void deleteBatch(List<Long> ids);

    /*修改菜品*/
    @AutoFill(OperationType.UPDATE)
    void update(Dish dish);

    List<Dish> listBy(Dish dish);
}
